BitlBee allows users to talk to people on the major instant messaging and microblogging networks (including MSN, Google Talk, AIM, and Twitter) from within any IRC client by emulating an IRC server. Virtual channels are created with all of the user's contacts in them, who can be talked to in the channel or in a query. Also, one can participate in group chats and chat rooms like they were normal IRC channels.

silencio is a script that generates a one page Web
page. Configuration is through variables in the
script. It supports the display of a Twitter RSS
feed within a three column design. Future versions
will allow easy toggling of the number of content
columns as well as support for other social
network statuses.

Choqok is a quick and efficient micro-blogging client for the K Desktop Environment. It currently supports the Twitter.com and Identi.ca services. The name comes from an ancient Persian word that means sparrow.

ORA_Tweet allows you to call the Twitter API from within an Oracle database. It uses the UTL_HTTP API within Oracle to call the update_status API. It is written completely in PL/SQL. The API supports proxies and short URLs.

TweetBox.fx is a Twitter desktop client. It lets users send updates, replies, and direct messages. Users can retrieve their friend's timeline, their own timeline, direct messages, replies, and their favorites. TweetBox also allows the user to view multiple timelines at the same time. TweetBox has a very user friendly entry box for typing updates. It shows you how many characters are left and provides a very easy-to-use URL-shrinking function. TweetBox can also detect links to pictures on Mobypicture and TwitPic and respond by showing, instead of the original URL, a link labeled "picture" that pops up a thumbnail when the mouse hovers over it.

LemonLDAP::NG is a modular Web SSO based on Apache::Session modules. It simplifies the building of a protected area with a few changes in the application. It manages both authentication and authorization and provides headers for accounting, so you can have full AAA protection for your Web space. LemonLDAP::NG is a complete rewrite of LemonLDAP. All components needed to use it and to administer it are included in the tarball. However, all modules developed for LemonLDAP may not work with LemonLDAP::NG.

cheekdotcom tweet is a command-line client for Twitter. It allows you to update your status and include pictures in status updates. It can also display the general public timeline, your friends' public timelines, or your own public timeline.

Lifesaver is a GNOME Screensaver that displays recent posts about Ubuntu on Twitter, Identi.ca, and FriendFeed. Since it performs automated searches of various unfiltered Internet resources, you may encounter language and opinions that are offensive to those of a sensitive disposition, or inappropriate in a workplace environment.

fnf is a script that provides a list of a Twitter user's friends and followers. If you provide a username (and optional proxy), fnf will generate two files: USERNAME.followers and USERNAME.friends, consisting of a list of Twitter screen names and real names separated by " :: ". This data is easily used in scripts or imported to spreadsheets.